Any image can be copied to the clipboard with a little help from the HTML Canvas API.
Learn about event that allow you to run code upon the completion of page loading states.
You only need a one-liner to get the IP address of a user in Node.js.
Using the insertAdjacentElement() or insertAdjacentHTML() methods.
Location by IP can resolved by a third-party service or in Node.js.
Make text appear on screen as if it is being typed live using the setInterval() function!
The native FileReader API can be used to read a PDF and create a URL to its contents.
Using 'var' to declare variables can lead to scope leakage and silent errors in your code.